emissions system

[ɪˈmɪʃənz ˈsɪstəm]
nounpl: emissions systems
sistema de emissões
1. A vehicle or industrial system designed to control and reduce harmful pollutants released into the atmosphere
The car's emissions system includes a catalytic converter and oxygen sensors.
O sistema de emissões do carro inclui um conversor catalítico e sensores de oxigênio.
2. The complete set of components that manage the discharge of gases and particulates from an engine
Regular maintenance of the emissions system is required to pass environmental inspections.
A manutenção regular do sistema de emissões é necessária para passar nas inspeções ambientais.
3. Environmental control technology that reduces greenhouse gases and air pollutants
Modern vehicles have sophisticated emissions systems to meet strict regulations.
Veículos modernos possuem sistemas de emissões sofisticados para atender às regulamentações rigorosas.
This term is increasingly important in both Brazilian and American English due to environmental regulations and climate change awareness. In Brazil, emissions systems are regulated by CONAMA (Conselho Nacional do Meio Ambiente), while in the USA, the EPA (Environmental Protection Agency) sets standards. The term has become common in advertising and automotive marketing in both countries.
Synonyms / Sinônimos
exhaust systememission control systempollution control systemenvironmental control system

Regional Variations

General Brazilian
sistema de emissões
Most common term used in environmental and automotive contexts
São Paulo
sistema de emissões / sistema de controle de emissões
Both terms used interchangeably in automotive industry
Rio de Janeiro
sistema de emissões
Standard usage in environmental regulations
Portugal
sistema de emissões
Identical to Brazilian Portuguese; also 'sistema anti-poluição' in some contexts

Related Words

catalytic converteroxygen sensorparticulate filterexhaust gasespollutantscarbon dioxidenitrogen oxides

Related Idioms & Phrases

clean emissions
reduce emissions
emissions standards
emissions testing
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